Citação norma APA

Grayston, D., & Merton, T. (1980). The development of a spiritual theologian 1948-1961: Thomas Merton's Seeds of contemplation and New seeds of contemplation.

Citação norma Chicago

Grayston, Donald, and Thomas Merton. The Development of a Spiritual Theologian 1948-1961: Thomas Merton's Seeds of Contemplation and New Seeds of Contemplation. Toronto, 1980.

Citação norma MLA

Grayston, Donald, and Thomas Merton. The Development of a Spiritual Theologian 1948-1961: Thomas Merton's Seeds of Contemplation and New Seeds of Contemplation. 1980.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.